/*
 * Copyright (c) 2009 Frederic Daoud
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */
package validator.extension;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import net.sourceforge.stripes.action.ActionBean;
import net.sourceforge.stripes.action.ActionBeanContext;
import net.sourceforge.stripes.action.Resolution;
import net.sourceforge.stripes.controller.StripesConstants;
import net.sourceforge.stripes.exception.DefaultExceptionHandler;
import net.sourceforge.stripes.validation.SimpleError;
import net.sourceforge.stripes.validation.ValidationError;
import net.sourceforge.stripes.validation.ValidationErrors;
import org.hibernate.validator.InvalidStateException;
import org.hibernate.validator.InvalidValue;

public class ValidatorExceptionHandler extends DefaultExceptionHandler {
  public Resolution handleValidatorException(InvalidStateException exc,
    HttpServletRequest request, HttpServletResponse response)
    throws Exception
  {
    ActionBean actionBean = (ActionBean) request.getAttribute(StripesConstants.REQ_ATTR_ACTION_BEAN);

    if (actionBean != null) {
      ActionBeanContext context = actionBean.getContext();
      ValidationErrors errors = context.getValidationErrors();
      InvalidValue[] invalidValues = exc.getInvalidValues();

      for (InvalidValue invalidValue : invalidValues) {
        ValidationError error = new SimpleError(invalidValue.getMessage());
        errors.add(invalidValue.getPropertyPath(), error);
      }
      return context.getSourcePageResolution();
    }
    else {
      throw exc;
    }
  }
}
